The ultra compact and convenient Goal Zero Guide 10 Plus Recharging Kit is a rechargeable battery pack and the Nomad 7 folding solar panel for powering up your handheld electronics anywhere the sun shines. The pack also has standard USB and mini USB ports for charging up using your laptop or other electronic. The or batteries charge up in two hours via the solar panels or six hours via the USB. It takes about an hour to directly charge up your smartphone, so when you're off the grid geographically you can stay connected. Whether it's to upload jungle themed selfies or call for search and rescue when you've had enough, power sure is nice to have. The super durable and rugged solar panel withstands use and abuse, wet weather and being stepped on. Not that you would step on it, but you could. Both the battery pack and solar panel are so compact, the pack nearly pocket size and the panel the size of a notebook, for ultra portability.